Shirt stay



FIG. 1. is a perspective view of a shirt stay showing my new design;

FIG. 2. is a front view thereof;

FIG. 3. is a rear view thereof;

FIG. 4. is a right side view thereof;

FIG. 5. is a left side view thereof;

FIG. 6. is a top view thereof; and,

FIG. 7. is a bottom view thereof.

The broken lines depict where the strap is sewn in order to connect to a belt, clasp, strap, or another strap. 

CLAIM The ornamental design for a shirt stay, as shown and described. 